Finding the Fourth Proportional to 10,968,421.07, 15,136,411.75 and 6,073,643.08
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Solution
The fourth proportional to 10,968,421.07, 15,136,411.75 and 6,073,643.08 is: 8,381,622.28
Step by Step Solution
- Step 1: Write the proportion equation
10,968,421.07 : 15,136,411.75 = 6,073,643.08 : x - Step 2: Convert to fraction form
10,968,421.07/15,136,411.75 = 6,073,643.08/x - Step 3: Cross multiply
10,968,421.07x = 15,136,411.75 × 6,073,643.08 - Step 4: Simplify right side
10,968,421.07x = 91,933,162,485,154.59 - Step 5: Solve for x
x = 91,933,162,485,154.59/10,968,421.07 - Step 6: Final answer
x = 8,381,622.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.